<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <ul>
        {% for post in posts %}
        <li><a href="/post/{{ post.id }}.html">{{ post.title }}</a></li>
        {% endfor %}
    </ul>
</body>
</html>